season 5 will be about saving the future. Where present and future will parallel each other since they exhausted the past might as well look towards the future. Then you have to figure out who is who in the future and which bloodline did this character come from. It opens a whole new wave of possibilities. And we saw how present timeline lead up to the future events.
Yep that is the sickness talking
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"I will be kind but I will speak my mind."